Requesting Data
After starting the DDE conversation, the client application can request data using the DDE function. Session information can be requested by specifying the following item names in the DDE function (Request) in the client application:
| Item | Return Data | DDE Function |
|---|---|---|
| EPS(pos,len,bEOF) | All or a part of session presentation space | Get Partial Presentation Space |
| FIELD(pos,"type") | Field information | Find Field |
| OIA | Operator Information Area (OIA) status line information | Get Operator Information Area |
| PS | Session presentation space | Get Presentation Space |
| SSTAT | Session status information | Get System Status |
| STRING(pos,bDir,"string") | String offset start | Search for string |
| TRIMRECT * | Session presentation space of trim rectangle | Get Trim Rectangle |
*: Parameter should be added.
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